<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区域 -->
    <el-card>
      <!-- 搜索与添加区域 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button
            type="primary"
            @click="addDialogVisible = true"
            v-permission="{action:'add',effect:'disabled'}"
          >添加用户</el-button>
        </el-col>
      </el-row>

      <!-- 用户列表区域 -->
      <el-table :data="userlist" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态">
          <template slot-scope="scope">
            <el-switch v-model="scope.row.mg_state"></el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="scope">
            <!-- 修改按钮 -->
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
              v-permission="{action:'edit',effect:'disabled'}"
            ></el-button>
            <!-- 删除按钮 -->
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeById(scope.row.id)"
              v-permission="{action:'delete',effect:'disabled'}"
            ></el-button>
            <!-- 分配角色按钮 -->
            <el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false">
              <el-button
                type="warning"
                icon="el-icon-setting"
                size="mini"
                v-permission="{action:'edit',effect:'disabled'}"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      ></el-pagination>
    </el-card>

    <!-- 添加用户的对话框 -->
    <el-dialog title="添加用户" :visible.sync="addDialogVisible" width="50%" @close="addDialogClosed">
      <!-- 内容主体区域 -->
      <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addDialogVisible = false">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
    data() {
        // 验证邮箱的规则
        var checkEmail = (rule, value, cb) => {
            // 验证邮箱的正则表达式
            const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/

            if (regEmail.test(value)) {
                // 合法的邮箱
                return cb()
            }

            cb(new Error('请输入合法的邮箱'))
        }
        // 验证手机号的规则
        var checkMobile = (rule, value, cb) => {
            // 验证手机号的正则表达式
            const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/

            if (regMobile.test(value)) {
                return cb()
            }

            cb(new Error('请输入合法的手机号'))
        }
        return {
            // 获取用户列表的参数对象
            queryInfo: {
                query: '',
                // 当前的页数
                pagenum: 1,
                // 当前每页显示多少条数据
                pagesize: 2
            },
            userlist: [],
            total: 0,
            // 控制添加用户对话框的显示与隐藏
            addDialogVisible: false,
            // 添加用户的表单数据
            addForm: {
                username: '',
                password: '',
                email: '',
                mobile: ''
            },
            // 添加表单的验证规则对象
            addFormRules: {
                username: [
                    {
                        required: true,
                        message: '请输入用户名',
                        trigger: 'blur'
                    },
                    {
                        min: 3,
                        max: 10,
                        message: '用户名的长度在3~10个字符之间',
                        trigger: 'blur'
                    }
                ],
                password: [
                    {
                        required: true,
                        message: '请输入密码',
                        trigger: 'blur'
                    },
                    {
                        min: 6,
                        max: 15,
                        message: '用户名的长度在6~15个字符之间',
                        trigger: 'blur'
                    }
                ],
                email: [
                    {
                        required: true,
                        message: '请输入邮箱',
                        trigger: 'blur'
                    },
                    {
                        validator: checkEmail,
                        trigger: 'blur'
                    }
                ],
                mobile: [
                    {
                        required: true,
                        message: '请输入手机号',
                        trigger: 'blur'
                    },
                    {
                        validator: checkMobile,
                        trigger: 'blur'
                    }
                ]
            }
        }
    },
    created() {
        this.getUserList()
    },
    methods: {
        async getUserList() {
            const { data: res } = await this.$http.get('users', {
                params: this.queryInfo
            })
            if (res.meta.status !== 200) {
                return this.$message.error('获取用户列表失败！')
            }
            this.userlist = res.data.users
            this.total = res.data.total
        },
        // 监听 pagesize 改变的事件
        handleSizeChange(newSize) {
            // console.log(newSize)
            this.queryInfo.pagesize = newSize
            this.getUserList()
        },
        // 监听 页码值 改变的事件
        handleCurrentChange(newPage) {
            this.queryInfo.pagenum = newPage
            this.getUserList()
        },
        // 监听添加用户对话框的关闭事件
        addDialogClosed() {
            this.$refs.addFormRef.resetFields()
        },
        async removeById(id) {
            const confirmResult = await this.$confirm(
                '此操作将永久删除该商品, 是否继续?',
                '提示',
                {
                    confirmButtonText: '确定',
                    cancelButtonText: '取消',
                    type: 'warning'
                }
            ).catch(err => err)

            if (confirmResult !== 'confirm') {
                return this.$message.info('已经取消删除！')
            }

            const { data: res } = await this.$http.delete(`users/${id}`)

            if (res.meta.status !== 200) {
                return this.$message.error('删除失败！')
            }
            this.$message.success('删除成功！')
        }
    }
}
</script>

<style lang="less" scoped>
</style>
